- ...oxygen.
氧气 - For nearly two billion years,
在将近20亿年的时间里 - plankton produced so much oxygen that it transformed our planet.
浮游生物产生了大量氧气 使我们的星球发生了巨大改变 - No longer hostile, Earth became a new world,
地球不再充满敌意 而是成为了一个新的世界 - where life could finally run wild.
在这里 生命终于可以自♥由♥绽放 - Today, millions of years later,
数百万年后的今天 - it's still possible to get a glimpse of what that next wave of life was like.
我们依然可以一窥 之后一波生命浪潮的模样